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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/48543

Title: Monumental heritage exposure to urban black carbon pollution
Authors: Padrón, D.
Lyamani, H.
Titos Vela, Gloria
Casquero-Vera, J. A.
Cardell Fernández, Carolina
Močnik, G.
Alados-Arboledas, Lucas
Olmo Reyes, Francisco José
Issue Date: 2017
Abstract: In this study, aerosol light-absorption measurements obtained at three sites during a winter campaign were used to analyse and identify the major sources of Black Carbon (BC) particles in and around the Alhambra monument, a UNESCO World Heritage Site that receives over 2 million visitors per year. The Conditional Bivariate Probability Function and the Aethalometer model were employed to identify the main sources of BC particles and to estimate the contributions of biomass burning and fossil fuel emissions to the total Equivalent Black Carbon (EBC) concentrations over the monumental complex. Unexpected high levels of EBC were found at the Alhambra, comparable to those measured in relatively polluted European urban areas during winter. EBC concentrations above 3.0 μg/m3, which are associated with unacceptable levels of soiling and negative public reactions, were observed at Alhambra monument on 13 days from 12 October 2015 to 29 February 2016, which can pose a risk to its long-term conservation and may cause negative social and economic impacts. It was found that road traffic emissions from the nearby urban area and access road to the Alhambra were the main sources of BC particles over the monument. However, biomass burning emissions were found to have very small impact on EBC concentrations at the Alhambra. The highest EBC concentrations were observed during an extended stagnant episode associated with persistent high-pressure systems, reflecting the large impact that can have these synoptic conditions on BC over the Alhambra.
Sponsorship: European Union's Horizon 2020 Research and Innovation Programme under grant agreement No. 654109, ACTRIS-2.
Spanish Ministry of Economy and Competitiveness and FEDER through project CGL2013-45410-R, CGL2016-81092-R 598 and CGL2012-30729.
Andalusia Regional Government through project P12- RNM-2409 and P12-FQM-1889.
Publisher: Elsevier
Keywords: Black carbon aerosol
Stagnant atmospheric conditions
Cultural heritage
URI: http://hdl.handle.net/10481/48543
ISSN: 1352-2310
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Padrón, D.; et al. Monumental heritage exposure to urban black carbon pollution. Atmospheric Environment, 170: 22-32 (2017). [http://hdl.handle.net/10481/48543]
Appears in Collections:OpenAIRE (Open Access Infrastructure for Research in Europe)
RNM119 - Artículos

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